Home / 13,272.66-19,907.78-4,507.04

Finding the Fourth Proportional to 13,272.66, 19,907.78 and 4,507.04

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Solution

The fourth proportional to 13,272.66, 19,907.78 and 4,507.04 is: 6,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.66 : 19,907.78 = 4,507.04 : x
  2. Step 2: Convert to fraction form
    13,272.66/19,907.78 = 4,507.04/x
  3. Step 3: Cross multiply
    13,272.66x = 19,907.78 × 4,507.04
  4. Step 4: Simplify right side
    13,272.66x = 89,725,188.01
  5. Step 5: Solve for x
    x = 89,725,188.01/13,272.66
  6. Step 6: Final answer
    x = 6,760.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.